进程和线程都是操作系统的概念。进程是应用程序的执行实例，每个进程是由私有的虚拟地址空间、代码、数据和其它各种系统资源组成，进程在运行过程中创建的资源随着进程的终止而被销毁，所使用的系统资源在进程终止时被释放或关闭。-Processes and threads of the operating system concept. Implementation process is an instance of the application, each process is private virtual address space, code, data, and various other components of system resources, created during the process of running the resource with the termination of the process is destroyed, the use of system resources are released when the process terminates on or off.